Fix alpine web log follow error

bash_functions.sh

@@ -165,5 +165,5 @@ main() {
              service lighttpd start
         ;;
     esac
-    tail -F /var/log/lighttpd/*.log /var/log/pihole.log
+    tail -F "${WEBLOGDIR}"/*.log /var/log/pihole.log
 }

start.sh

@@ -8,6 +8,9 @@ export PYTEST
 export PHP_ENV_CONFIG
 export PHP_ERROR_LOG 
 export HOSTNAME
+export WEBLOGDIR
+export IPv6
+
 
 validate_env
 setup_saved_variables